2.5x10^3 I think. Exponents are subtracted. The number you're multipliying by has to be more than one.
Answer
36
Step-by-step explanation:
Markup (or price spread) is the difference between the selling price of a good or service and cost.
For this case, we know that:
Then, by Pythagorean theorem (right triangle on the right) we have:
So, again using the Pythagorean theorem (right triangle on the left) we have:
Substituting values:
Rewriting:
Answer:
The value of CA is given by:
